The present disclosure provides a radio station and a radio communication method capable of performing efficient control in Dual Connectivity. A radio station (10) includes: a classification unit (11) that classifies, when a data radio bearer is established with a communication terminal through a radio station (20), the data radio bearer into one of a plurality of groups based on a predetermined classification condition; and a transmission unit (12) that transmits, to the radio station (20), an establishment request message requesting establishment of the data radio bearer, and the group into which the data radio bearer is classified.
Legal claims defining the scope of protection, as filed with the USPTO.
2. The radio station according to claim 1, wherein when the first information indicates that control is performed per group, the data communication status notification message further includes fourth information indicating a number of groups to be controlled.
4. The radio station according to claim 1, wherein the data communication status notification message is a DL DATA DELIVERY STATUS (DDDS) message.
6. The radio station according to claim 1, wherein the predetermined classification condition includes a condition corresponding to a priority of the data radio bearer.
7. The radio station according to claim 6, wherein the priority corresponds to a priority of a bearer included in a bearer setup request message from a core network apparatus.
9. The radio station according to claim 8, wherein the state of the radio station includes at least one of a processing load on the radio station and a remaining amount of a buffer of the radio station.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
July 18, 2019
March 7, 2023
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